Hach LICO 620, Basic User Manual, Page: 65 / 394

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English
Specifications
These are subject to change without notice!
Performance
specifications
LICO 690 LICO 620
Display mode
Color measurement, color
difference measurement,
absorbance and
concentration
Color measurement
Color measurement 26 color ratios 5 color ratios
Colorimetric evaluation
All visual color ratios are calculated for standard light
chart C and 2° standard observers in accordance with
DIN 5033. Colorimetric color values can be switched
to light type A, C, D65 and 2° or 10° standard
observers.
Source lamp Halogen lamp
Wavelength range 320–1100 nm
Wavelength Accuracy ± 1,5 nm (wavelength range 340–900 nm)
Wavelength
reproducibility
≤ 0,1 nm
Wavelength resolution 1 nm
Wavelength calibration Automatic
Wavelength range for
color measurement
380–720 nm steps of 10 nm
Scanning speed ≥ 8 nm/sec (in steps of 1 nm)
Spectral bandwidth 5 nm
Photometric measuring
range
± 3 Abs (wavelength range 340–900 nm)
Photometric accuracy
5 mAbs at 0,0–0,5 Abs,
1 % at 0,50–2,0 Ext
Photometric linearity
< 0,5 % to 2 Abs
≤

1 % at > 2 Abs with neutral glass at 546 nm
Stray light < 0,1 % T at 340 nm with NaNO
2
Data log
3000 color
measurements,
100 color reference
values,
1000 photometric
measurements,
20 wavelength scans, 20
time scans
400 color measurements
Physical and environmental specifications
Width 350 mm (13,78 in)
Height 151 mm (5,94 in)
Depth 255 mm (10,04 in)
Earth 4200 g (9,26 lb)
Ambient operating
requirements 10–40 °C (50–104 °F), maximum 80 % relative
humidity (without condensate formation)
Ambient storage
requirements –40–60 °C (–40–140 °F), maximum 80 % relative
humidity (without condensate formation)
Additional technical data
Power connector via
external power supply Input: 100–240 V/47–63 Hz
Output: 15 V/40 VA
Interfaces
Use only shielded cable with maximum length of 3 m:
2× USB type A
1× USB type B
Use only shielded cable (for example STP, FTP, S/
FTP) with maximum length of 20 m:
1× Ethernet
Performance
specifications
LICO 690 LICO 620